robert eitches at the prestigious cedars sinai medical center in los angeles, at least until january first, when his bill would go up. >>"i know if i go see him, it's completely out of network and um, and it also doesn't apply against my deductible so it's really out of network, it's almost in another orbit." >> reporter:the new obamacare-compliant plan being offered by harris's current health insurance company will actually cost him five dollars a month less. but eitches, and four of harris' five doctors, are no longer in that network. >>"i've had patients come to me and say please do whatever you need to do because i don't know if i'll be able to come back and see you after december 31st." >> reporter:eitches says 10 percent of his patients now must either find new doctors, or pay steep out- of-pocket costs. >>"it's mind-numbing, it's mind-numbing." >> reporter:even for doctor eitches. >> reporter:less than six weeks before obamacare takes effect, he still doesn't know which, if any, insurance plans he'll accept. he has already stopped taking medicare. >>"honestly, what i may think